<p>Adds a stroke around the cell view's <code>$el</code>.</p>

<p>Available options:</p>
<ul>
    <li><b>padding</b> - the space between the stroke and the element</li>
    <li><b>rx</b> - the stroke's border radius on the x-axis</li>
    <li><b>ry</b> - the stroke's border radius on the y-axis</li>
    <li><b>attrs</b> - an object with SVG attributes to be set on the highlighter element</li>
</ul>

<p>Example usage:</p>
<pre><code>cellView.highlight(null/* defaults to cellView.el */, {
    highlighter: {
        name: 'stroke',
        options: {
            padding: 10,
            rx: 5,
            ry: 5,
            attrs: {
                'stroke-width': 3,
                stroke: '#FF0000'
            }
        }
    }
});</code></pre>
